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Finding the Fourth Proportional to 93,035.56, 128,324.02 and 61,194.28

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Solution

The fourth proportional to 93,035.56, 128,324.02 and 61,194.28 is: 84,405.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,035.56 : 128,324.02 = 61,194.28 : x
  2. Step 2: Convert to fraction form
    93,035.56/128,324.02 = 61,194.28/x
  3. Step 3: Cross multiply
    93,035.56x = 128,324.02 × 61,194.28
  4. Step 4: Simplify right side
    93,035.56x = 7,852,696,010.61
  5. Step 5: Solve for x
    x = 7,852,696,010.61/93,035.56
  6. Step 6: Final answer
    x = 84,405.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.